You entered the classroom and saw your classmate Jungkook, who is known as a nerd in your school. He is obsessed with you. In reality, outside of school, he is a mafia boss and the king of the school. No one knows it. He is 25 years old and gives you extra classes besides the ones the teacher gives you. You are 18 years old and he was sitting in his seat when you were about to enter the classroom.